The practice demonstrates that the prediction to adverse geologic condition in front of the heading face by boring radar and BEAM electric method, especially to water-holding condition, is satisfied.
实践表明,采用钻孔雷达和BEAM电法探测技术对隧道掌子面前方的不良地质情况,尤其是含水情况具有较好的预测结果。
Intermediate driving way is put forward for the first time and can solve influence of deflection and edge effect come from rail beam on mechanical and electric performance.
首次提出中间驱动方式,能较好地解决轨道梁产生的挠度、边缘效应等对机械和电气性能的影响。
The stability of intense electron beam via the periodic static electric and magnetic fields is discussed.
本文讨论了强流电子束通过周期性静电场和静磁场的稳定性。
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